In World of Warcraft, for me, what are the best instances to farm for gold?

Hi, I have a level 75 Tauren Warrior, and I REALLY, REALLY, REALLY want Artisan Flying. However, I only have around 1500 gold, and need around 3000 more. I've decided to just farm instances right now. What are some good instances for my level? Also looking for instances with a LOT of gold per run.